冻土帷幕最大水平位移位置均出现在开挖面以下，一般出现在帷幕全深的0.7-0.8倍深度范围内；
The maximum horizontal displacement occurs below the excavated surface with the depth of 0.7~0.8 times of the pit depth.
巴州平原地区冬季最大冻土深度南浅北深。
The distribution of momaximumst frozen soil depth is that the southern Bazhou to be shallower than the northern.
全省历年平均最大冻土深度变化呈减小趋势，各分区的变化趋势与全省的变化趋势基本相同，冀北高原区变化幅度最大。
In the different area, the trends of change are similar, but the degree of charging is maximum in the north altiplano.
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